11673767411809 has 4 divisors (see below), whose sum is σ = 11751077129920. Its totient is φ = 11596457693700.

The previous prime is 11673767411749. The next prime is 11673767411821. The reversal of 11673767411809 is 90811476737611.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 11673767411809 - 2¹⁷ = 11673767280737 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11673767411879) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38654858829 + ... + 38654859130.

It is an arithmetic number, because the mean of its divisors is an integer number (2937769282480).

Almost surely, 2^{11673767411809} is an apocalyptic number.

It is an amenable number.

11673767411809 is a deficient number, since it is larger than the sum of its proper divisors (77309718111).

11673767411809 is an equidigital number, since it uses as much as digits as its factorization.

11673767411809 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77309718110.

The product of its (nonzero) digits is 10668672, while the sum is 61.

The spelling of 11673767411809 in words is "eleven trillion, six hundred seventy-three billion, seven hundred sixty-seven million, four hundred eleven thousand, eight hundred nine".